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Field Test Method to Determine Presence and Quantity of Modifiers in Liquid Asphalt-Follow-up Data Analysis.
| 题名： | Field Test Method to Determine Presence and Quantity of Modifiers in Liquid Asphalt-Follow-up Data Analysis. |
| 作者： | Lu, Q.; Guo, L. |
| 关键词： | Field paving projects, Styrene butadiene styrene, Ground tire rubber, Fourier transform infrared spectrometer, Library search, Asphalt binder, Polymer, Field tests, Implementation, Ground Tire Rubber(GTR) |
| 摘要： | In an earlier study under the contract grant number BDV25-977-06, two portable Fourier transform infrared spectrometer (FTIR) were evaluated for their ability to quickly detect and/or quantify the presence of polymer modifiers, including styrene butadiene styrene (SBS) polymer and/or ground tire rubber (GTR), in asphalt binder. This report summarizes a follow-up study that evaluates a third brand of portable FTIR device, the Agilent Handheld ExoScan 4300 FTIR Spectrometer, for identification and/or quantification of polymer modifiers in asphalt binder. The same binder samples used in the earlier study were tested with the Agilent Handheld ExoScan 4300 FTIR Spectrometer. The test data were analyzed and compared with the results from the other FTIR devices included in the earlier study. It was found that the Agilent Handheld ExoScan 4300 FTIR Spectrometer can capture absorbance spectra similar to those from other portable FTIR devices and can read absorbance spectrum from asphalt mixture samples. The variability in test data of the Agilent Handheld ExoScan 4300 FTIR Spectrometer, however, is higher than that of the TruDefender FTX FTIR spectrometer. |
| 总页数： | Lu, Q.; Guo, L. |
| 报告类型： | 科技报告 |
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